Suppose that the price of a coffee mug is $2. lee's marginal cost of producing coffee mugs $0.50 for the first mug, tammy's marginal cost of producing coffee mugs is $1 for the second mug, stan's marginal cost of producing coffee mugs is $1.50 for the third mug, joy's marginal cost of producing coffee mugs is $2 for the fourth mug, and jody's marginal cost of producing coffee mugs is $3 for the fifth mug. in equilibrium, what is the producer surplus from producing coffee mugs? (a) $0 (b) $2 (c) $3 (d) $6